Finding the Fourth Proportional to 6,119,230,469.80, 9,178,845,704.70 and 4,787,651,900.20
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Solution
The fourth proportional to 6,119,230,469.80, 9,178,845,704.70 and 4,787,651,900.20 is: 7,181,477,850.30
Step by Step Solution
- Step 1: Write the proportion equation
6,119,230,469.80 : 9,178,845,704.70 = 4,787,651,900.20 : x - Step 2: Convert to fraction form
6,119,230,469.80/9,178,845,704.70 = 4,787,651,900.20/x - Step 3: Cross multiply
6,119,230,469.80x = 9,178,845,704.70 × 4,787,651,900.20 - Step 4: Simplify right side
6,119,230,469.80x = 43,945,118,079,749,562,368 - Step 5: Solve for x
x = 43,945,118,079,749,562,368/6,119,230,469.80 - Step 6: Final answer
x = 7,181,477,850.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.